Machine for soldering binding-posts.



P. P. NUNGESSER. MACHINE FOR SOLDEHING moms POSTS.

APPLICATION FILED AUG-3i. I914.

Patented Dec. 3, 1918.

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P. P. NUNGESSER. MACHINE FOR SOLDERlNG BINDING POSIS. APPL-ICATIDN FILEDAUG.3I. l9l4.

3 SHEETSSHEET 2.

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Patented Dec. 3, 1918.

P. P. NUNGESSER. MACHINE FOR SOLDERING BINDING P0818.

APPLICATION FILED AUG.3I. I914.

'1 ,286,886. Patented Dec. 3, 1918.

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E -r------1-e D- J J B L WITNESSES: I} zz m fil //1Ar4& 7 v To TREADLE87 ATTORNEYS STATES PATENT h T T i (i timer PHILIP P. NUNGESSER, OFCLEVELAND, OHIO, ASSIGNOR, BY MESNE ASSIGNMENTS, TO NATIQNAL CARBONCOMPANY, INC., A CORPORATION OF NEW YGBK.

MACHINE FOR SOLDERING BINDING-POSTS.

Specification of Letters Patent.

Patented Dec. 3, 1918.

Application filed August 31, 1914.. Serial No. 859,326.

To aZZ whom it may concern:

Be it known that I, PHILIP P. Noxsnssnu, a itizen of the United States,residing at Cleveland, in the county of Cuyahoga and State of Ohio, haveinvented certain new and useful Improvements in Machines for SolderingBinding-Posts of which the following is a specification.

This invention has reference to a machine for soldering binding posts ondry-battery cans, all substantially as shown and described andparticularly pointed out in the claim.

In the accompanying drawings, Figure 1 is a front elevation of themachine and Fig. 2 is a sectional elevation at right angles to Fig. 1.

Fig. 3, Sheet 2, is a plan view on a line corresponding substantially to3-3, Fig. 5. Fig. 4. is a plan view of the machine with the tiuxreceptacle removed. Fig. 5 is a side view of the machine. Fig. 6 is amodification of the heating means for the plunger. Figs. 7 and 8 areenlarged views of details as hereinafter fully described.

The machine as herein shown embodies improved means for solderingbinding posts on dry battery cans or jars, as abOVe indicated, and theimprovement greatly simplifies and cheapens the operation.

The machine is designed to be operated by means of a treadle T, so thatthe operator has the machine under individual control and can govern thespeed according to his own ability or experience in handling the work.Otherwise. the work he does is manual and only in connection with thecan C, which he is required to place into and take from the machine andwhile the binding post 2 is temporarily engaged thereon. The base ofsaid post is split or bi-furcated and adapt ed to straddle and clamp onthe edge of th can with more or less firmness. A suitabh trough shapedsupport or holder it serves as a rest for said can, and is adjustable asto elevation on the screw threaded post which carries the same from thebase B of the machine. Otherwise all the work is automatic andpractically instantaneous from one stop to the other.

Now, assuming that a can has been put in place on holder the threadedend of the post 2 is inserted into or through a guide or centering holein a cross bar 8 Figs. 2 and 8, which bar is fixed on the permanentupright posts or rods 4:- Thus the said bar with its hole for said screwor post fixes the position of the post in respect to the soldering instrumentalities as well as serving as a guide to the operator.

The next step is to supply the necessary flux to the post to facilitatesoldering and ti o receptacle R serves as a source of supply for thisfluid. The tube or pipe 5 delivers the flux in sumciently minimizedquantity to meet the need of a single soldering operation, say a drop orless, and the said pipe is supported in a sleeve 6 from or by an arm aat its upper end and is adapted to have a limited rotation axially insaid sleeve subject to a retracting spiral spring 8 at its top to pullit back so that as said tube is rotated forward at its bent lower end byengagemerit of the trigger '7 with the finger 7 thereon, the said springwill rotate the tube back to normal position the instant the flux hasbeen delivered by said tube or pipe on the post.

In this operation the asbestos wick w on the lower end or tip of saidpipe 5 is moved across the base of the binding post by the trigger 7striking the finger 7' on said pipe and giving the wick a wiping actionon the post. But the instant that this occurs the finger f is releasedfrom the trigger and retracting spring 8 swings the said pipe or tip ofthe pipe to one side of the post 2 out of the way. A yoke 1 has fingersbetween which the trigger 7 has a limited needed play.

The next step is the delivery of the solder immediately upon the fluxcovered portion of said post. This is done by feeding the solder strandor wire 8 forward from the drum D on which it is wound by means of apair of rolls 9 and 9 mounted on different shafts 10 and 11 and havinpinion connection 12, in this instance, so as to rotate said rolls inunison and aiford a positive feed. The quantity of solder employed atany one time is comparatively small, say about the size of a grain ofwheat, or less, according to the work to be done. The said rolls andshafts are accordingly rotated the desired distance each time by meansof a ratchet wheel 1 on shaft 10 and a spring pressed pawl 13. Fig. 5,on an arm 14 having a head rotatably fixed on the end of shaft 10outside of said ratchet wheel and adapted'to be rocked within limits atits otherwise free or outer end by means of the rod extension 16 thereonand the link 17 which is secured at its other end to the sliding orreciprocating frame 20.

The said frame, Fig. 1 is shown as consisting of two cross bars spacedapart and alike slidable on the standards a, and said bars are connectedby rods at their ends, thus making a rigid frame of the said parts whichhas a limited up and down movement primarily derived from or through thetrcadle T and the rod 22 which connects said treadle directly with thesaid frame, Fig. 2.

One of the functions of the said reciproeating frame is to actuate thesoldering plunger P, which is adjustably fixed in said frame at its sideand center and in direct alinement with the projecting tip or end of thesolder strand 8 as the same has been fed forward by the rolls 9 and 9through its guide tube 15, asseen'in Figs. 2 and 5. The lower solderingend of the plunger is shaped to conform more or less closely to thecontour of'the base of the binding post 2 to which the solder really isapplied by said plunger, and it is planned that the plunger shalldescend directly at the end of said guide tube or pipe 15 and not onlysever the solder with a shear cut but also melt the same at the sametime and cause it to flow into soldering relation.

Means are therefore provided for heating theplunger, and I may employ ablow pipe or medium m as seen in Fig. 1, which main-- tains a heatingflame of sufficient intensity against the exposed end of the plunger, orI may employ an electric heater E as shown in Fig. 6.

The said plunger having done its work through the descent of frame 20actuated by treadle T, it is instantly raisedagain by the lift spring Smounted on said frame and engaged at its upper end with the cross bar 25which connects the upper end of the standards 4 and constitutes aportion of the main frame of the machine.

The distance of travel of the plunger is comparatively short, as will beseen in Fig. 1 by its elevation above the solder tip 8, and itsdown'movement is controlled exclusively by treadle T and its up andreturn movement by the spring S, which are in quick succession so thatboth are accomplished in a moment. The soldered can is then ready to beremoved and replaced by another, and so on with great speed by an expertworkman.

The working elevation of the flux tube or pipe 5 is fixed by adjustmentto meet its position in respect to the post 2, and the trigger 7 mountedpivotally in the frame 20 rotates said pipe just far enough to carry itsdelivery over the said post when the said finger flips by said triggerand the spring a rotates the pipe back to starting position out of theway of the descending plunger which comes on to the spot the instantthat said pipe is turned aside.

I The feed rolls 9 and 9 for the solder strand and the parts associatedtherewith are supported from the base B by. a standard 30 and bracket 31thereon, Fig. 8.

The fiux supply vessel R is shown as sup ported by arm 32 from the topof the main frame, and the flux drops visibly from said vessel into thefunnel shaped end of the pipe 5 and the flow is regulated by means of avalve.

The, contact of the plunger P with the binding post 2 on can C is moreof the nature of a touch than anything else, since the soleobjectthereof is to cover and melt the solder in a flowing state upon saidpost and which spreads sufficiently to engage the post with the can. Theextremity of the plunger usually is kept at substantially a red heat sothat its work is instantaneous and it no sooner reaches the limit of itsstroke than it is withdrawn. Naturally, there is a tendency in the guidetube 15 to heat from the plunger, but precaution can be taken not tohave said parts contact and thus minimize the heating tendency in saidtube. Otherwise the further precaution can be employed of swinging thesaid tube laterally a short cistance the instant the solder is severedso as to minimizethe impartation of heat from the plunger. A slightmovement will do and this is efiected by the support 35 pivoted at 34,Fig. 2 for the end of the tube and the inclined arm 86 Fig. 1, bearingagainst the said tube and pressing it aside. The end of the said arm isbent laterally for this purpose and it acts at the right time when theframe 20 descends and mechanism actuated by said fram and a treadle toreciprocate the frame.

In testimony whereof I aihx my signature in presence of two witnesses.

PHILIP P. NUNGESSER. Witnesses:

- F. J. GREEK,

R. B. Mosnn.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, D. C. Y i

